Geoelectrical Resistivity Imaging in Environmental Studies
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Springer Science + Business Media B.V.
Abstract
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The presence of contaminants in the environment requires a precise
characterization of the nature and extent of contamination for effective remediation.
Conventional environmental monitoring has focused largely on point sampling,
which involves intrusive processes such as grid drilling. This approach is expensive
and provides information only on effects at the sample sites, and hence may not
be a true representation of the complex and subtle subsurface geology associated
with environmental investigations. Alternative methods that have been used in
environmental studies are geophysical methods such as geoelectrical resistivity
techniques. Geoelectrical resistivity imaging is used in estimating the resistivity distributions
of the subsurface based on several measurements of discrete voltage and
current. This paper evaluates the effectiveness of geoelectrical resistivity imaging
in environmental applications.
Keywords
QC Physics